Grade 6 Science Worksheets

Learning Objectives

• Explain how energy transfer between trophic levels leads to decreased usable energy at higher levels.
• Describe why ecosystems typically support fewer top-level consumers than producers.
• Use evidence from a passage to identify main ideas and make accurate science claims about energy flow.

Learning Objectives

• Apply scientific methods to local environmental and community concerns while showing respectful engagement with community members.
• Use consent, cultural sensitivity, and privacy practices when collecting observations on local sites.
• Evaluate and validate community-contributed records using evidence and clear documentation.+ Show more

Learning Objectives

• Explain how photosynthesis converts light energy into chemical energy stored in glucose.
• Identify reactants (carbon dioxide and water) and products (glucose and oxygen) of photosynthesis.
• Describe the role of light-dependent reactions in forming energy-rich molecules used for building glucose.

Learning Objectives

• Explain how plants obtain matter from the environment to build biomass
• Describe the roles of carbon dioxide and water as raw materials for plant structures and chemical processes
• Connect gas exchange in leaves to the movement of carbon into the plant system+ Show more

Learning Objectives

• Explain that atoms of elements are neither created nor destroyed in chemical reactions.
• Use particle diagrams to represent reactants and products and check that the same atoms appear on both sides.
• Connect conservation of atoms to macroscopic observations such as new substances forming.

Learning Objectives

• Explain how atoms and particles make up elements and different substances
• Describe how particle models help predict properties like density, melting point, and reactivity
• Connect the arrangement and relative numbers of particles to observable measurements

Learning Objectives

• Compare properties of substances before and after an interaction to determine what changes.
• Identify evidence that indicates a new substance formed, using changes in properties.
• Distinguish between physical changes and chemical changes by observing appearance and new materials.

Learning Objectives

• Use particle diagrams and atom counting to show that atoms of each element are conserved in a chemical reaction.
• Explain how rearranging atoms into new combinations can produce new substances without changing the total number of atoms of each element.
• Use evidence from reactant and product particle models to make accurate claims about reaction outcomes.

Learning Objectives

• Identify physical changes and explain how they differ from chemical changes.
• Connect everyday examples (melting, freezing, tearing, dissolving) to changes in form or state.
• Use particle-based reasoning to describe why physical changes can be reversible.

Learning Objectives

• Describe reactants and products as the starting materials and the substances formed in a chemical reaction.
• Identify evidence that a chemical reaction occurred by comparing properties of reactants and products.
• Use particle diagrams to explain how atoms are rearranged during a reaction.+ Show more

Learning Objectives

• Explain how rearrangement of atoms helps describe what happens during a chemical reaction
• Use conservation of atoms to predict that atoms are reorganized into new combinations
• Connect atomic-level changes to observable product properties (such as gas release)

Learning Objectives

• Explain how condensation forms when rising air cools and water vapor changes state
• Describe how cloud droplets and ice crystals collect to create clouds
• Connect cloud formation to precipitation timing and location

Learning Objectives

• Identify the four Earth system spheres: geosphere, hydrosphere, atmosphere, and biosphere.
• Explain how matter and energy move between Earth spheres using examples such as weathering and evaporation.
• Describe how gravity influences the movement of materials within and between spheres.+ Show more

Learning Objectives

• Explain how energy from the Sun and forces like gravity drive Earth system processes.
• Describe how heating affects water states, evaporation, and cloud formation.
• Use cause-and-effect reasoning to show how gravity influences the movement and accumulation of water and sediments.+ Show more

Learning Objectives

• Distinguish independent and dependent variables in simple investigations.
• Define variables using operational definitions and explain why they matter.
• Use controlled comparisons and identify constants to make a fair test.+ Show more

Learning Objectives

• Explain how human actions such as dams and water withdrawals can alter river flow timing and water availability.
• Describe how pollutants can change water quality and harm aquatic organisms.
• Analyze how land cover changes can affect infiltration, runoff, and flood risk.+ Show more

Learning Objectives

• Explain how flowing water erodes and transports Earth materials.
• Describe how changes in water energy lead to deposition.
• Identify common landforms formed by erosion and deposition, such as river terraces and deltas.+ Show more

Learning Objectives

• Explain how evaporation and transpiration add water vapor to the atmosphere
• Describe how temperature and available liquid water affect the rate of water vapor formation
• Connect phase changes (evaporation, condensation) to the water cycle and precipitation+ Show more

Learning Objectives

• Explain how groundwater is stored in aquifers and how it moves through pore spaces
• Describe how infiltration and percolation recharge aquifers after precipitation
• Connect groundwater discharge to stream baseflow and sustained river flow during dry periods+ Show more

Learning Objectives

• Explain how rocks, sediments, water, and living things are connected through material cycling
• Describe physical and chemical weathering as first steps in the cycling of Earth materials
• Use evidence from processes to explain how deposition and biological activity affect soil and landscapes+ Show more

Learning Objectives

• Categorize drag into parasitic and induced sources and explain how they are related to motion and lift
• Identify major components of parasitic drag, including form drag, skin-friction drag, and interference drag
• Describe how induced drag depends on wing span and lift distribution, and explain trade-offs in wing design

Learning Objectives

• Describe how different observational instruments help scientists study the solar system
• Explain how wavelength (optical vs. radio and other bands) can reveal composition, motion, and temperature
• Compare ground-based and space-based observing platforms and their advantages and limitations+ Show more

Learning Objectives

• Identify major parts of the solar system, including terrestrial and gas/ice giants, dwarf planets, and belt regions.
• Compare planet types using composition, size, orbital zone, and typical atmospheric or surface conditions.
• Explain how temperature and energy sources relate to habitability in an age-appropriate way.

Learning Objectives

• Use proportional reasoning to connect voltage, current, and resistance in simple circuits.
• Predict how changing resistance affects current when voltage stays constant.
• Apply proportional relationships to compare circuit behavior in series and parallel arrangements.+ Show more

Learning Objectives

• Explain the major functions of artificial satellites in Earth observation, communication, navigation, and scientific monitoring
• Compare geostationary and polar orbits and describe why orbit choice matters
• Identify common sensor payloads and describe how satellite data supports predictions and mapping+ Show more

Learning Objectives

• Describe how the Sun, Earth, and Moon differ in relative size, mass, and mean distance.
• Explain how gravitational interactions create stable orbits for the Earth and Moon.
• Model the Earth–Moon system’s shared orbital motion around a barycenter.+ Show more

Learning Objectives

• Define electric charge and explain how charge imbalance can lead to static effects.
• Compare static electricity (charges staying in place on insulators) with current electricity (charges flowing in conductors).
• Describe how electric potential creates a tendency for charges to move and how that relates to current.+ Show more

Learning Objectives

• Explain how observed circuit symptoms can be used to infer likely faults using circuit topology and component behavior.
• Predict measurement patterns for series and parallel circuits and compare them to real observations during troubleshooting.
• Identify which component or connection is most likely causing incorrect readings such as unequal brightness, unexpected current, or open continuity.

Learning Objectives

• Explain how the heart and blood vessels work together to transport materials through the body.
• Describe how arteries, veins, and capillaries differ in structure and function.
• Use evidence from capillary exchange to explain how oxygen, nutrients, and wastes move between blood and cells.

Learning Objectives

• Identify common circuit diagram symbols for cells, batteries, resistors, lamps, switches, ammeters, and voltmeters.
• Interpret how diagram layout shows physical connections and predicts whether components are in series, parallel, or mixed arrangements.
• Explain how symbol orientation and key shorthand (like open/closed switches) affect circuit behavior.

Learning Objectives

• Explain how mechanical and chemical digestion work together in the mouth and stomach
• Describe how enzymes and acids help break down proteins, carbohydrates, and fats
• Explain how absorbed nutrients enter blood or lymph and support metabolism and growth+ Show more

Learning Objectives

• Explain how current and voltage behave differently in series versus parallel circuits
• Predict how changing a circuit arrangement affects brightness, energy flow, and circuit reliability
• Use basic circuit reasoning to determine what happens when a branch or component is broken

Learning Objectives

• Explain how distillation separates a mixture using differences in boiling points and phase changes
• Distinguish between simple distillation and fractional distillation and when each is appropriate
• Describe how particle energy distributions and vapor pressure relate to boiling and condensation

Learning Objectives

• Explain the roles of ammeters and voltmeters in describing current and voltage in circuits
• Use the units amperes (A) and volts (V) to interpret instrument readings
• Predict ideal instrument behavior and expected readings in series and parallel configurations+ Show more

Learning Objectives

• Compare insulating materials by describing how electrons are bound and why free charge carriers are limited.
• Explain how insulators reduce or prevent charge flow and improve electrical safety.
• Use examples (rubber, glass, dry wood) to justify material selection for protective coverings.+ Show more

Learning Objectives

• Explain how density relates mass to volume and why it is useful as evidence to classify materials
• Use float/sink behavior in water to infer relative density without changing a substance’s identity
• Estimate or measure density and use it to predict how substances will layer in mixtures+ Show more

Learning Objectives

• Describe reaction rate as how quickly reactants change into products.
• Explain how concentration, temperature, surface area, and catalysts affect particle collisions.
• Connect collision-level ideas to observable changes during reactions (gas, color, heat).

Learning Objectives

• Explain how evaporation can separate a soluble solid from a liquid by state change
• Use evidence such as disappearance of liquid and recovered mass to describe evaporation separation
• Distinguish evaporation from size-based separation methods+ Show more

Learning Objectives

• Describe how different conservation strategies (protected areas, habitat restoration, sustainable harvesting, and invasive species control) help maintain ecosystem balance.
• Explain how trade-offs among ecological goals, economic needs, and social values can affect conservation decisions.
• Use monitoring information to evaluate whether conservation strategies improve habitat and species resilience over time.

Learning Objectives

• Identify observable properties of matter, including color, hardness, texture, and conductivity.
• Classify substances as solids, liquids, or gases based on evidence.
• Use property evidence to support predictions about how materials will behave.

Learning Objectives

• Define pure substances and distinguish them from mixtures based on whether more than one substance is present
• Identify whether a given example is a uniform (homogeneous) or nonuniform (heterogeneous) mixture based on observable properties
• Select an appropriate separation technique by matching it to differences among mixture components+ Show more

Learning Objectives

• Explain how magnetic separation separates mixtures based on magnetic properties.
• Identify which materials in a mixture will move toward a magnet and which will stay behind.
• Describe how observations from a magnetic separation experiment support the conclusion about nonmagnetic and magnetic substances.+ Show more

Learning Objectives

• Explain how energy and nutrients move through trophic levels in a food chain
• Identify key organisms (producers, primary consumers, secondary consumers, and decomposers/scavengers) and their roles
• Interpret how changes in one population can affect other organisms in a food chain+ Show more

Learning Objectives

• Explain how limiting factors restrict population growth and distribution
• Distinguish between abiotic and biotic limiting factors
• Use evidence to predict how changes in limiting factors affect survival and reproduction

Learning Objectives

• Describe how heat energy is transferred by conduction, convection, and radiation.
• Use temperature, material type, and particle motion clues to identify the dominant heat transfer mechanism.
• Explain how temperature change and state change can indicate which transfer mechanism is occurring.

Learning Objectives

• Explain how filtration separates a mixture based on particle size and whether particles can pass through a barrier.
• Identify which part of a sand–water mixture becomes the solid residue and which part becomes the filtrate.
• Use observations such as sediment thickness and liquid clarity to support separation claims.+ Show more

Learning Objectives

• Explain how scientific models use assumptions to represent real-world phenomena
• Identify evidence-based ways to check whether a model’s predictions match observations
• Describe the limitations of a model and connect conclusions to the strength of the evidence

Learning Objectives

• Identify the independent, dependent, and controlled variables in a science investigation.
• Use controls to keep evidence reliable by changing only one variable at a time.
• Explain why matching conditions (like track length or release method) prevents misleading results.+ Show more